rozwiaz rownania a) [latex]left { {{frac{2x-y}{4}+frac{3x+5}{2}=3} atop {frac{x-7}{5}-frac{2y+x}{10}=-1}} ight[/latex] b) [latex] left { {{2(x+y)-(x-1)=y+2} atop {x+y=1}} ight [/latex]
rozwiaz rownania a) [latex]left { {{frac{2x-y}{4}+frac{3x+5}{2}=3} atop {frac{x-7}{5}-frac{2y+x}{10}=-1}}
ight[/latex] b) [latex] left { {{2(x+y)-(x-1)=y+2} atop {x+y=1}}
ight [/latex]